| Geyser | 1979-04-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1979-04-27 |
|---|---|
| Astronomical Twilight Begin | 03:27 |
| Nautical Twilight Begin | 04:09 |
| Civil Twilight Begin | 04:48 |
| Sunrise | 05:19 |
| Sunset | 19:21 |
| Civil Twilight End | 19:53 |
| Nautical Twilight End | 20:32 |
| Astronomical Twilight End | 21:14 |
| Moon Illumination | 0.72% |